Daikin Cooling-Only Outdoor Unit RKN09KEVJU

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Removed the 2 screws, which fix the front grille to the main body.

The front grille has 3 hooks on the upper part.

Pressed each hook, and also lifted the grille up to unfasten the hooks.

Pulled the upper part of the front grille out and lifted the lower part up, and then removed the front grille.

The convex marks (...) on the front panel indicate the position of the hooks.

When reassembling, made sure that all the 3 hooks are fastened as they were.

Sign off on the front grille removal

Warning: This procedure requires trained personnel with PPE!

Install the inverter checker instead of a compressor

Charged voltage of the built-in smoothing electrolytic capacitor dropped to 10 VDC or below?

Terminals removed from the compressor?

Terminals connected to the terminals of the inverter checker without touching each other?

09/12 class: Activate power transistor test operation from indoor unit

FAN operation selected with the [MODE] button on the remote controller?

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Disconnect the connecting wires.

 Remove the front grille according to the “Removal of Front Grille”.

1 Remove the screw of the service cover.

2 Pull out the service cover down in the direction of the arrow.

3 The figure shows the connections of wire harnesses.

4 Remove the screw of the wire retaining plate.

5 Loosen the screws of the terminal board and disconnect the connecting wires.

EV connector correctly connected to the PCB

EV generates latching sound when power is turned off and on

Continuity confirmed when connector is disconnected and checked with a tester

Check continuity between the pins

Note: Latching sound varies depending on the valve type

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Unfasten the center shaft while bending the horizontal blade slightly.

Cautions for reassembling: Since the key pattern hook is provided, rotate the horizontal blade and fit it to the right shaft first.

Fit the horizontal blade to the center and left shafts.

Unfasten the left shaft of the horizontal blade.

Unfasten the right shaft of the horizontal blade.

Sign off on the blade removal process